Re:Schooling in adolescence raises IQ scores (2011) [pdf]
by partycoder on Wednesday December 14, 2016 @10:23PM
(#13182134)
The first one I found: http://www.medscape.com/viewarticle/804569
So beware of feeding kids and pregnant women with sea salt only.
source?
Also, it's ridiculous to argue that genetics don't affect IQ. There are many genetic disorders that impair cognitive skills.